UPI Trlenh000 Storm Chaos East Julie Nixon Eisenhower walked in the snow on the White House driveway New York Has 'Snow Emergency' • New York A fast-moving February storm swept the Eastern seaboard yesterday, snar- ling traffic, closing schools and throwing emergency ap- paratus into gear. Hundreds of motorists ran out of gas in tieups on me- tropolitan Washington, D.C. area highways, and massive pieupsb locked expressways in and around New York City. Up to 20 inches of snow slugged W est Virginia. Pennsylvania state govern- ment offices shut down earyl -in Harrisburg. A federal 'court judge in Philadelphia sent a jury home earlya nd Philadelphia International Airport's main runway was closed for at least four h ours. The mayor of New York declared a snow emergency. Many of the city's major thoroughfares werep artially or fulyl shut down as com- muters struggledh omeward through heavy snow and bit- terly cold winds. The storm piled heavy snow from eastern Kentucky t o southern New England. In Washington, President Nixon set out for Bethesda Naval Hospital in suburban Maryland for a physical checkup, but was forced to turn back to the White House because of snow- clogged traffic. Thousands of workers in the capital were delayed in getting to their jobs, and a number of schools were forced to close. In Washington as else- where, the gasoline shortage added to the problem. Traf- fic jams were heightened by motorists lined up at filling stations. The District of Columbia Snow Emergency. Center said stalled cars, including many abandoned by motor- ists who ran out of gas, de- layed chemical-spreading vehicles trying to get to key trouble spots. Western and central Mary- land were hard hit, under snow accumulations expect- ed to reach six inches. Schools were closed in more than half a dozen counties, including Baltimore. Schools were closed in 28 counties in Kentucky, where up to four inches of snow made roads slippery. Ice-coated roads a 1 s o forced all but three schools to close in northwest Arkan- . sas, where an influenza-like disease already had cut at• tendance as much as 21.4 per cent. Temperatures dipped be- low zero across the northern plains and into New Eng- land. A.P. & U.P.